CN116233667B - High-performance sound box module and electronic equipment - Google Patents
High-performance sound box module and electronic equipment Download PDFInfo
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- CN116233667B CN116233667B CN202310519394.0A CN202310519394A CN116233667B CN 116233667 B CN116233667 B CN 116233667B CN 202310519394 A CN202310519394 A CN 202310519394A CN 116233667 B CN116233667 B CN 116233667B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Motor Or Generator Frames (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to a high-performance sound box module and electronic equipment, wherein the high-performance sound box module comprises a shell and a ring-shaped permanent magnet assembly arranged in the shell, the ring-shaped permanent magnet assembly is formed by splicing and fixing a first U-shaped magnetic unit and a second U-shaped magnetic unit, a groove is formed in the middle of the ring-shaped permanent magnet assembly, a movable disc can be movably fixed in the groove in the middle of the ring-shaped permanent magnet assembly, and when a first stepping motor is used as a unique power motor, the movable disc can indirectly drive the ring-shaped permanent magnet assembly to rotate around a second rotating shaft under the driving of the first stepping motor; the ring-shaped permanent magnet assembly is characterized in that a magnetizer is fixed on one side of the lower part of the ring-shaped permanent magnet assembly, a magnetic pole arranged on one side of the first U-shaped magnetic unit close to the magnetizer is opposite to a magnetic pole arranged on one side of the second U-shaped magnetic unit close to the magnetizer, a vibration assembly is fixed on one side of the magnetizer far away from the ring-shaped permanent magnet assembly, and the vibration assembly is used for playing audio under the driving of an electric signal. The BL value of audio amplifier has been improved to this application.
Description
Technical Field
The invention relates to the technical field of sound boxes, in particular to a high-performance sound box module and electronic equipment.
Background
In the related art, only one permanent magnet is fixed to each coil in a typical sound box, and is used to cooperate with an electromagnetic coil to realize sound production. However, in this case, because the permanent magnet is magnetically fixed, the maximum value of the electromagnetic force that can be generated is fixed, and the gains of the amplifier circuits connected to most of the electromagnetic coils are fixed, these influences and determine the BL values of the sound box, and most of the BL values of the sound box are not optimally enhanced, so that the BL values of the sound box directly affect the performance of the sound box, and the related products or researches in the prior art basically start from one factor of the audio circuit itself to try to change the BL values of the sound box, but the effect is relatively general.
Disclosure of Invention
The invention aims to provide a high-performance sound box module and electronic equipment so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a high-performance sound box module, which comprises a shell and a ring-shaped permanent magnet assembly arranged in the shell, wherein a first fixing frame is fixed on one side in the shell, a second fixing frame is fixed on the opposite side of the first fixing frame, a first stepping motor is also fixed on the first fixing frame, an output shaft of the first stepping motor is a first rotating shaft, the first rotating shaft is connected with one end of a movable rod, and the other end of the movable rod is movably connected with a movable disc; the second stepping motor is fixed on the second fixing frame, the output shaft is a second rotating shaft, the second rotating shaft is connected with the middle part of the annular permanent magnet assembly through a connecting buckle, the annular permanent magnet assembly is of an annular structure, the annular permanent magnet assembly is formed by splicing and fixing a first U-shaped magnetic unit and a second U-shaped magnetic unit, a groove is formed in the middle part of the annular permanent magnet assembly, the movable disc can be movably fixed in the groove in the middle part of the annular permanent magnet assembly, and when the first stepping motor is used as the sole power motor, the movable disc can indirectly drive the annular permanent magnet assembly to rotate around the second rotating shaft under the driving of the first stepping motor; the ring-shaped permanent magnet assembly is characterized in that a magnetizer is fixed on one side of the lower part of the ring-shaped permanent magnet assembly, a magnetic pole arranged on one side of the first U-shaped magnetic unit close to the magnetizer is opposite to a magnetic pole arranged on one side of the second U-shaped magnetic unit close to the magnetizer, a vibration assembly is fixed on one side of the magnetizer far away from the ring-shaped permanent magnet assembly, and the vibration assembly is used for playing audio under the driving of an electric signal.
The audio processing and playing control circuit is used for processing the audio signals at the audio interface end and then loading the processed audio signals to the vibration component for playing.
Further, the total control circuit board is further provided with an audio sampling circuit, a BL control circuit and a stepping motor driving circuit which are electrically connected in sequence, the audio sampling circuit is used for collecting audio signals in a certain time domain obtained from an audio interface and transmitting the audio signals to the BL control circuit, the BL control circuit calculates a BL control signal according to the audio signals in a certain time domain, the BL control signal is used for enabling the first stepping motor and/or the second stepping motor to drive the annular permanent magnet assembly so that the direction of the annular permanent magnet assembly close to the magnetizer is a target direction, and the stepping motor driving circuit is used for driving and controlling the first stepping motor and/or the second stepping motor according to the BL control signal.
Further, a BL control signal is calculated according to the audio signal in a certain time domain, and the method comprises the following steps of calculating the change characteristics of the audio signals in different time domains during audio playing according to the audio signal in the certain time domain, determining the maximum change direction of the audio signal, determining the maximum change direction of the magnetic field force of the electromagnetic coil during audio signal playing according to the maximum change direction of the audio signal, further determining the direction of the annular permanent magnet assembly close to the magnetizer, and further determining a BL control signal.
Further, when the first stepping motor is used as a power motor and the second stepping motor is used as an auxiliary power motor, the movable disc can indirectly drive the annular permanent magnet assembly to rotate around the second rotating shaft under the driving of the first stepping motor, and the second stepping motor is used as an auxiliary power motor to drive the annular permanent magnet assembly to rotate through the connecting buckle.
Further, the vibration assembly comprises an audio sounding electromagnetic coil, a spring wave and a basin frame.
In addition, the application also discloses electronic equipment, which comprises the high-performance sound box module and an upper computer, wherein the upper computer is connected with a BL control circuit serial port of the high-performance sound box module and used for replacing or assisting or enhancing the operation of the BL control circuit.
Compared with the prior art, the invention has the beneficial effects that:
the annular permanent magnet assembly is formed by splicing and fixing the first U-shaped magnetic unit and the second U-shaped magnetic unit, and the magnetic poles arranged on the side, close to the magnetizer, of the first U-shaped magnetic unit are opposite to the magnetic poles arranged on the side, close to the magnetizer, of the second U-shaped magnetic unit.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a schematic diagram of a connection structure of a first stepper motor, a ring-shaped permanent magnet assembly, and a second stepper motor according to the present application.
Fig. 3 is a schematic structural diagram of the ring-shaped permanent magnet assembly of the present application.
Fig. 4 is a schematic view of a state of the ring-type permanent magnet assembly.
Fig. 5 is a schematic view of another state of the ring-type permanent magnet assembly.
In the figure, a housing 100; a cable sleeve 200; a control cable 201; a first fixing frame 300; the device comprises a main control circuit board 301, an audio interface 302, a first stepping motor 303, a movable rod 304, a movable disc 305, a ring-shaped permanent magnet assembly 306, a connecting buckle 307, a second rotating shaft 308, a second stepping motor 309, a first rotating shaft 310, a first U-shaped magnetic unit 311, a second U-shaped magnetic unit 312, a second fixing frame 400, a vibration assembly 500, a magnetizer 501 and a fixing base 600.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In a specific implementation, as shown in fig. 1, the high-performance sound box module disclosed in the application includes a housing 100 and a ring-shaped permanent magnet assembly 306 disposed inside the housing 100, wherein a first fixing frame 300 is fixed on one side of the housing 100, a second fixing frame 400 is fixed on the opposite side of the first fixing frame 300, a first stepping motor 303 is also fixed on the first fixing frame 300, an output shaft of the first stepping motor 303 is a first rotating shaft 310, the first rotating shaft 310 is connected with one end of a movable rod 304, and the other end of the movable rod 304 is movably connected with a movable disc 305; the second stepper motor 309 is fixed on the second fixing frame 400, the output shaft is a second rotating shaft 308, the second rotating shaft 308 is connected with the middle part of the ring-shaped permanent magnet assembly 306 through a connecting buckle 307, the ring-shaped permanent magnet assembly 306 is of a ring-shaped structure, the ring-shaped permanent magnet assembly 306 is formed by splicing and fixing a first U-shaped magnetic unit 311 and a second U-shaped magnetic unit 312, a groove is formed in the middle part of the ring-shaped permanent magnet assembly 306, the movable disc 305 can be movably fixed in the groove in the middle part of the ring-shaped permanent magnet assembly 306, and when the first stepper motor 303 is used as the only power motor, the movable disc 305 can indirectly drive the ring-shaped permanent magnet assembly 306 to rotate around the second rotating shaft 308 under the driving of the first stepper motor 303; the magnetic pole of the first U-shaped magnetic unit 311 configured at one side close to the magnetic conductor 501 is opposite to the magnetic pole of the second U-shaped magnetic unit 312 configured at one side close to the magnetic conductor 501, the magnetic conductor 501 is far away from the ring-shaped permanent magnet assembly 306 to fix the vibration assembly 500, the vibration assembly 500 is used for playing audio under the driving of an electrical signal, and the vibration assembly 500 comprises an audio sounding electromagnetic coil, a spring wave and a basin frame, and the vibration assembly 500 and the magnetic conductor 501 are all arranged on the fixed base 600.
Because the permanent magnet in the prior art is magnetically fixed, the maximum value of the electromagnetic force generated by the electromagnetic coil is fixed when the condition of the electromagnetic coil is fixed, and the gain of the amplifier circuit connected with most of the electromagnetic coils is also fixed, the influence and the determination of the BL value of the sound box are carried out, the BL value of most of the sound boxes is integrally fixed and cannot be optimally enhanced, the annular permanent magnet assembly 306 is formed by splicing and fixing the first U-shaped magnetic unit 311 and the second U-shaped magnetic unit 312, the magnetic poles arranged on the side of the first U-shaped magnetic unit 311 close to the magnetizer 501 are opposite to the magnetic poles arranged on the side of the second U-shaped magnetic unit 312 close to the magnetizer 501, the magnetic poles contacted with the magnetizer 501 can be changed under the drive of the external force, the magnetic poles of the magnetizer 501 can be changed and the magnetic field strength can be changed, the BL value of the sound box is improved, and the specific structure of the annular permanent magnet assembly 306 can refer to fig. 3 and 2.
For example, assuming that the magnetic force generated by fixing one magnetic pole of a general permanent magnet is +f1, assuming that the magnetic force generated by an electromagnetic coil is F2, that is, the magnetic field of the electromagnetic coil can be alternated to actually generate the magnetic force in the range of-f2 to +f2, it can be simply considered that the BL value of the sound box is determined by the range of +f1-f2 to +f1+f2, the magnetic force generated by the magnetic pole of the permanent magnet can be changed to generate the magnetic force of-f1 to +f1, still assuming that the magnetic force generated by the electromagnetic coil is F2, that is, the magnetic field of the electromagnetic coil can be alternated to actually generate the magnetic force in the range of-f2 to +f2, so that the BL value of the sound box can be simply considered to be determined by the range of-f1-f2 to +f1+f2, and obviously the range of the magnetic force for determining the BL value in the sound box is larger than the range of the magnetic force for determining the BL value in the prior art, that the range of-f1-f2 to +f1-f2 can be increased.
In this application, in fig. 4 and fig. 5, the driving process of the ring-shaped permanent magnet assembly 306 may refer to fig. 4, in fig. 4, the first stepper motor 303 drives the movable disc 305 through the movable rod 304 to further drive the ring-shaped permanent magnet assembly 306, one end of the ring-shaped permanent magnet assembly 306 is at the topmost and the other ends are at the bottommost, the magnetic poles at the two ends are different, in the continuing driving, as in fig. 5, the two ends of the ring-shaped permanent magnet assembly 306 are flush, after this state, the distribution of the magnetic poles at the topmost and the other ends of the ring-shaped permanent magnet assembly 306 can be opposite to that in fig. 4, when the magnetic poles in contact with the magnetizer 501 can be changed, the magnetic poles of the permanent magnet are not fixed any more, the maximum value of the electromagnetic force generated is also not fixed any more, and the BL value of the sound box is determined to have very wide limits.
The preferred high-performance sound box module further comprises a total control circuit board 301, wherein the total control circuit board 301 is electrically connected with the audio interface 302, an audio processing and playing control circuit is configured on the total control circuit board 301, and the audio processing and playing control circuit is used for loading an audio signal at the end of the audio interface 302 to the vibration component 500 for playing after processing; the total control circuit board 301 is fixedly arranged on the first fixing frame 300, the total control circuit board 301 is electrically connected with the vibration assembly 500 through the control cable 201, the control cable 201 passes through the cable sleeve 200 fixed on the top of the inner side of the shell 100, and the cable sleeve 200 is used for fixing, limiting and protecting the control cable 201.
Preferably, the overall control circuit board 301 in the high performance speaker module is further configured with an audio sampling circuit, a BL control circuit and a stepper motor driving circuit, which are electrically connected in sequence, the audio sampling circuit is configured to collect audio signals in a certain time domain obtained from the audio interface 302 and transmit the audio signals to the BL control circuit, the BL control circuit may be configured with a singlechip circuit, which calculates a BL control signal according to the audio signals in a certain time domain, a specific process is as follows, a change feature of the audio signals in different time domains is calculated according to the audio signals in the certain time domain, the signal amounts on both sides of a transverse axis are optionally calculated when the audio signals in different time domains are modulated to a sine wave, a change feature of the audio signals is determined on one side of the audio signals in different time domains, the audio signals in different time domains are optionally modulated to the signal amounts on both sides of the sine wave, a change feature of the audio signals is determined on one side of the audio signals in different time domains, a direction corresponding to the audio signals in a largest audio signal amount is calculated, the largest magnetic field direction is determined when the audio signals in the largest magnetic field is not changed, and the magnetic field is determined to be the largest in the largest magnetic field direction when the magnetic field is changed in the largest magnetic field is determined, and the magnetic field is not changed in the largest magnetic field is determined, and the magnetic field is changed in the largest magnetic field direction is determined when the magnetic field is changed in the largest magnetic field is the largest, and the magnetic field is changed, the size of the stay probability of the electromagnetic coil in different positions during the playing of the audio can be determined, that is, the direction of the ring-shaped permanent magnet assembly 306 can be determined, so that the magnetic field near the magnetizer 501 and the electromagnetic coil can be matched best during the vibrating, and the best BL value under the maximum distribution probability can be obtained during the vibrating of the electromagnetic coil, further, a BL control signal is determined, the BL control signal is used for enabling the first stepping motor 303 and/or the second stepping motor 309 to drive the ring-shaped permanent magnet assembly 306, the direction of the ring-shaped permanent magnet assembly 306 close to the magnetizer 501 is the target direction, and the stepping motor driving circuit is used for driving and controlling the first stepping motor 303 and/or the second stepping motor 309 according to the BL control signal. The first stepper motor 303 and/or the second stepper motor 309 directly output power to adjust the ring permanent magnet assembly 306.
Preferably, when the first stepping motor 303 is used as a power motor and the second stepping motor 309 is used as an auxiliary power motor in the high-performance sound box module, the movable disc 305 can indirectly drive the annular permanent magnet assembly 306 to rotate around the second rotating shaft 308 under the driving of the first stepping motor 303, and the second stepping motor 309 is used as an auxiliary power motor to drive the annular permanent magnet assembly 306 to rotate through the connecting buckle 307; because the volume of a general sound box is smaller and the tolerance to noise is lower, the motor with overlarge power cannot be arranged in the sound box, and if the ring-shaped permanent magnet assembly 306 with large driving mass is driven by only one motor, the motor is generally difficult to drive, so the application skillfully designs two motors to drive in a matched manner, namely, the first stepping motor 303 and the second stepping motor 309 to drive in a matched manner, and reduces the load pressure caused to the motor by using only one motor.
In summary, embodiments of the present application that require protection include:
the high-performance sound box module comprises a shell 100 and a ring-shaped permanent magnet assembly 306 arranged in the shell 100, wherein a first fixing frame 300 is fixed on one side in the shell 100, a second fixing frame 400 is fixed on the opposite side of the first fixing frame 300, a first stepping motor 303 is also fixed on the first fixing frame 300, an output shaft of the first stepping motor 303 is a first rotating shaft 310, the first rotating shaft 310 is connected with one end of a movable rod 304, and the other end of the movable rod 304 can be movably connected with a movable disc 305; the second stepper motor 309 is fixed on the second fixing frame 400, the output shaft is a second rotating shaft 308, the second rotating shaft 308 is connected with the middle part of the ring-shaped permanent magnet assembly 306 through a connecting buckle 307, the ring-shaped permanent magnet assembly 306 is of a ring-shaped structure, the ring-shaped permanent magnet assembly 306 is formed by splicing and fixing a first U-shaped magnetic unit 311 and a second U-shaped magnetic unit 312, a groove is formed in the middle part of the ring-shaped permanent magnet assembly 306, the movable disc 305 can be movably fixed in the groove in the middle part of the ring-shaped permanent magnet assembly 306, and when the first stepper motor 303 is used as the only power motor, the movable disc 305 can indirectly drive the ring-shaped permanent magnet assembly 306 to rotate around the second rotating shaft 308 under the driving of the first stepper motor 303; the magnetic pole of the first U-shaped magnetic unit 311 disposed at the side close to the magnetic conductor 501 is opposite to the magnetic pole of the second U-shaped magnetic unit 312 disposed at the side close to the magnetic conductor 501, the magnetic conductor 501 is far away from the ring-shaped permanent magnet assembly 306, and the vibration assembly 500 is fixed at the side far away from the ring-shaped permanent magnet assembly 306, and the vibration assembly 500 is used for playing audio under the driving of an electrical signal.
The device also preferably comprises a total control circuit board 301, wherein the total control circuit board 301 is electrically connected with the audio interface 302, and an audio processing and playing control circuit is configured on the total control circuit board 301 and is used for processing an audio signal at the end of the audio interface 302 and then loading the processed audio signal into the vibration component 500 for playing;
preferably, the overall control circuit board 301 is further configured with an audio sampling circuit, a BL control circuit and a stepper motor driving circuit, which are electrically connected in sequence, the audio sampling circuit is configured to collect audio signals in a certain time domain obtained from the audio interface 302 and transmit the audio signals to the BL control circuit, the BL control circuit calculates a BL control signal according to the audio signals in the certain time domain, the BL control signal is configured to enable the first stepper motor 303 and/or the second stepper motor 309 to drive the ring-shaped permanent magnet assembly 306, so that a direction of the ring-shaped permanent magnet assembly 306 approaching the magnetizer 501 is a target direction, and the stepper motor driving circuit is configured to drive and control the first stepper motor 303 and/or the second stepper motor 309 according to the BL control signal.
Preferably, a BL control signal is calculated according to an audio signal in a timing domain, which is specifically described as follows, a change characteristic of the audio signal in different time domains during audio playing is calculated according to the audio signal in the timing domain, a maximum change direction of the audio signal is determined, a maximum change direction of a magnetic field force of an electromagnetic coil during audio playing is determined according to the maximum change direction of the audio signal, and then a direction of the ring-shaped permanent magnet assembly 306 close to the magnetizer 501 is determined, and then a BL control signal is determined.
Preferably, when the first stepper motor 303 is used as a power motor and the second stepper motor 309 is used as an auxiliary power motor, the movable disc 305 can indirectly drive the ring-shaped permanent magnet assembly 306 to rotate around the second rotating shaft 308 under the driving of the first stepper motor 303, and the second stepper motor 309 is used as an auxiliary power motor to drive the ring-shaped permanent magnet assembly 306 to rotate through the connecting buckle 307.
Preferably, the vibration assembly 500 includes an audio sounding electromagnetic coil, a damper, and a basin stand.
The application also discloses electronic equipment, it includes above-mentioned high performance audio amplifier module still includes the host computer, and this host computer can be connected with BL control circuit serial ports and be used for substituting or assisting or reinforcing BL control circuit's operation.
Program code for the functions of the upper computer is stored on a machine readable medium, which can be a tangible medium that can contain, or store the program for use by or in connection with the instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. To provide for interaction with a user, the host computer described herein may be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and pointing device (e.g., a mouse or trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
Claims (7)
1. The high-performance sound box module is characterized by comprising a shell and a ring-shaped permanent magnet assembly arranged in the shell, wherein a first fixing frame is fixed on one side in the shell, a second fixing frame is fixed on the opposite side of the first fixing frame, a first stepping motor is also fixed on the first fixing frame, an output shaft of the first stepping motor is a first rotating shaft, the first rotating shaft is connected with one end of a movable rod, and the other end of the movable rod is movably connected with a movable disc; the second stepping motor is fixed on the second fixing frame, an output shaft of the second stepping motor is a second rotating shaft, the second rotating shaft is connected with the middle part of the annular permanent magnet assembly through a connecting buckle, the annular permanent magnet assembly is of an annular structure, the annular permanent magnet assembly is formed by splicing and fixing a first U-shaped magnetic unit and a second U-shaped magnetic unit, a groove is formed in the middle part of the annular permanent magnet assembly, the movable disc is movably fixed in the groove in the middle part of the annular permanent magnet assembly, and when the first stepping motor is used as the sole power motor, the movable disc can indirectly drive the annular permanent magnet assembly to rotate around the second rotating shaft under the driving of the first stepping motor; the ring-shaped permanent magnet assembly is characterized in that a magnetizer is fixed on one side of the lower part of the ring-shaped permanent magnet assembly, a magnetic pole arranged on one side of the first U-shaped magnetic unit close to the magnetizer is opposite to a magnetic pole arranged on one side of the second U-shaped magnetic unit close to the magnetizer, a vibration assembly is fixed on one side of the magnetizer far away from the ring-shaped permanent magnet assembly, and the vibration assembly is used for playing audio under the driving of an electric signal.
2. The high-performance sound box module of claim 1, comprising a main control circuit board, wherein the main control circuit board is electrically connected with the audio interface, an audio processing and playing control circuit is configured on the main control circuit board, and the audio processing and playing control circuit is used for loading an audio signal at the audio interface end to the vibration assembly for playing after processing.
3. The high-performance sound box module according to claim 2, wherein the overall control circuit board is further provided with an audio sampling circuit, a BL control circuit and a stepping motor driving circuit which are electrically connected in sequence, the audio sampling circuit is used for collecting audio signals in a certain time domain obtained from the audio interface and transmitting the audio signals to the BL control circuit, the BL control circuit calculates a BL control signal according to the audio signals in a certain time domain, the BL control signal is used for enabling the first stepping motor and/or the second stepping motor to drive the annular permanent magnet assembly so that the direction of the annular permanent magnet assembly close to the magnetizer is a target direction, and the stepping motor driving circuit is used for driving and controlling the first stepping motor and/or the second stepping motor according to the BL control signal.
4. A high performance sound box module according to claim 3, wherein a BL control signal is calculated according to the audio signal in a certain time domain, and the specific process is as follows, the change characteristics of the audio signal in different time domains during audio playing are calculated according to the audio signal in a certain time domain, the maximum change direction of the audio signal is determined, the maximum change direction of the magnetic field force of the electromagnetic coil during audio playing is determined according to the maximum change direction of the audio signal, and then the direction of the ring-shaped permanent magnet assembly close to the magnetizer is determined, and then a BL control signal is determined.
5. The high performance speaker module of claim 1, wherein when the first stepper motor is used as the power motor and the second stepper motor is used as the auxiliary power motor, the movable disk can indirectly drive the annular permanent magnet assembly to rotate around the second rotating shaft under the driving of the first stepper motor, and the second stepper motor is used as the auxiliary power motor to drive the annular permanent magnet assembly to rotate through the connecting buckle.
6. The high performance speaker module of claim 1, wherein the vibration assembly comprises an audio sounding solenoid, a damper, and a basin stand.
7. The electronic equipment is characterized by comprising the high-performance sound box module set as claimed in claim 1, and further comprising an upper computer, wherein the upper computer is connected with a BL control circuit serial port of the high-performance sound box module set to replace or assist or enhance the operation of the BL control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310519394.0A CN116233667B (en) | 2023-05-10 | 2023-05-10 | High-performance sound box module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310519394.0A CN116233667B (en) | 2023-05-10 | 2023-05-10 | High-performance sound box module and electronic equipment |
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| CN116233667A CN116233667A (en) | 2023-06-06 |
| CN116233667B true CN116233667B (en) | 2023-07-18 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW411658B (en) * | 1997-07-03 | 2000-11-11 | Projects Unltd Inc | vibrational transducer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR764896A (en) * | 1932-11-03 | 1934-05-29 | Electromagnetic device for recording and reproducing sounds | |
| CN1554208A (en) * | 2001-09-10 | 2004-12-08 | ��ɣ��˹�������� | Miniature speaker with integrated signal processing electronics |
| US7166069B2 (en) * | 2004-04-09 | 2007-01-23 | Otologics, Llc | Variable reluctance motor |
| WO2006001792A1 (en) * | 2004-06-14 | 2006-01-05 | Knowles Electronics, Llc | Magnet assembly for a transducer |
| CN108235176B (en) * | 2018-01-05 | 2019-05-31 | 丰顺县汇盛电子科技有限公司 | A kind of automobile audio of fast demountable |
| US11785392B2 (en) * | 2019-09-27 | 2023-10-10 | Apple Inc. | Dual function transducer |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW411658B (en) * | 1997-07-03 | 2000-11-11 | Projects Unltd Inc | vibrational transducer |
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